unit 16 scientists at work

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1、Unit16ScientistsatworkWordsandexpressionspron.anargumentoraconsiderationinfavorofsomething赞成Pleaseweightheprosandcons.请掂量一下赞成的论点和反对的论点。conn.anargumentoropinionagainstsomething反对theprosandcons正反双方experimentn.somethingthatyoudotoseeandstudywhathappenssothatyouwilllearnmore实验；试验Theymadethe

2、schoolaplaceforscientificexperiment.他们把学校变成一个科学实验的场所。gloven.[c]coverofleather,wool,etc.forthehand手套Iwantanewpairofgloves.我要一副新手套。gasn.asubstancelikeairwhichisnotliquidorsolid;especiallythegasyouburninthehousetogiveheat气体Mostmatterhasthreestates:solid,liquidandgas.大多数物质具有三种状态：固态、液态和气态。li

3、quidn.anythingthatflows,andisnotasolidoragas液体Oilandwaterareliquids.油和水是液体。advantagen.somethingusefulorhelpful有利条件；优点Hehastheadvantageofagoodeducation.他具有受过良好教育的优点。disadvantagen.smallproblem;somethingthatmakesthingshardtodo,etc.不便；不利条件Itisadisadvantagenottobeabletodriveacar.不会开汽车是不便的。ap

4、plicationn.theactofusingasameans;puttingtoaspecialuseorpurpose应用"Freedom"isawordofwideapplication.“自由”一词可用于多种场合。n.theactofrequesting;aformalrequestorappeal;thewritingexpressingsuchrequest申请Hemadeanapplicationbywordsofmouthlastweek.上星期他提出了口头申请。maglev[XmBglev]n.&adj.磁力悬浮列车(的)enginen.apiec

5、eofmachinerywhichdrivesamachine引擎；发动机asteamengine蒸汽机nuclearadj.ofthecentralpartofanatom;ofatomicenergy原子核的；原子能的nuclearenergy原子能economyn.[u]waythatacountryspendsitsmoney,usesitsgoodsandworkers,etc经济.Wecannotdevelopournationaleconomywithoutscienceandtechnology.没有科学技术我们就不能发展国民经济。n.[u]using

6、money,goods,etc.wellandcarefully节约Wemustpractisestricteconomy.我们要厉行节约。comfortn.[u]beingfreefromworry,pain,etc舒适；安逸Hehadsavedenoughmoneysothathecouldliveincomfort.他攒了不少钱，足以舒舒服服地过日子。n.[u]anythingthatmakestroubleorsorroweasiertobear安慰Wecouldgivehimnocomfort.我们无法安慰他。unnecessaryadj.thatyoudo

7、notneed;notimportant不需要的；多余的Acoatisunnecessaryonahotday.大热天不需要外套。successfuladj.havingsuccess成功的Hewassuccessfulineverythinghedid.他做的每一件事都很成功。conductvt.manage;direct;carryon经营；管理；指挥Whoconductsthisorchestra?谁指挥这个乐队？vt.leadorguide引导；带领Hewasconductedthroughthemuseum.他在指引下参观了整个博物馆。n.